Search Results for: lichenoid

Differential Diagnosis in Dermatopathology

Discussions

…necrotic keratocytes are present within an epithelium, examples being lichen planus, lichenoid discoid lupus erythematosus, lichenoid photodermatitis, and lichenoid gold dermatitis. In short, so-called satellite-cell necrosis is simply a necrotic…

Clinical Case Studies

Graft-Versus-Host Disease

…reaction (i.e., gastrointestinal or hepatic dysfunction, acral erythema, erythroderma, or other erythematous eruptions). The lichenoid form of chronic cutaneous graft-versus-host disease (GVHD) was suspected because of the morphology and pattern of…

Differential Diagnosis in Dermatopathology

Lichen nitidus vs. Lichen striatus

A condition in which deposits of a fibrillary protein (amyloid) appear in the skin as macules, papules, and nodules consequent to the effects of local factors, or as patches (which may be purpuric), plaques, nodules, and tumors as a result of a…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Follicular Degeneration Syndrome?

…y early lesions, i.e., lesions that appear before alopecia is obvious clinically. The earliest findings observed by us are a lichenoid peri-infundibular infiltrate of lymphocytes followed by progressive peri-infundibular fibroplasia. As time goes…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eczema?

…thors should apply the same hypercritical examination to one or more other patterns of inflammatory response, such as ‘lichenoid’ or ‘papulosquamous,’ rather than obsessively trying assassinate ‘eczema’ every 10…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Colors Stereotypical for Diseases Specific?

…mon eruption of unknown etiology, displays violaceous, flat-topped papules, which are usually pruritic.” Weedon D. The lichenoid reaction pattern (‘interface dermatitis’). In: Weedon D, ed. Skin Pathology, 2nd ed. Edinburgh:…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Common Baldness—an Inflammatory Disease?

…mited to a patterned area of involvement. Biopsy specimens of early lesions demonstrated hair follicle miniaturization and a lichenoid inflammatory infiltrate targeting the upper follicle region.” Zinkernagel MS, Trueb RM. Fibrosing alopecia…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

Images 10.47.1A: Perivascular dermatitis, interface, patchy lichenoid + 10.47.1B: Keratocytes with steel-gray nuclei, “margination” of chromatin, ballooned cytoplasm, and multinucleate and necrotic keratocytes = Infection by…